Why was the castle of good hope built?

The Castle of Good Hope was built by the Dutch East India Company between 1666 and 1679 as a means of fortifying their maritime supply station at Cape of Good Hope. It served to protect against potential attacks from other European powers and to assert control over the strategic shipping route around the southern tip of Africa. The castle also functioned as a military base and a place for storing supplies, contributing to the establishment of a permanent settlement in the region.